Improvement of warming-up characteristics of potentiometric CO2 sensor by using solid reference counter electrode

Yuji Miyachi, Go Sakai, Kengo Shimanoe, Noboru Yamazoe

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

A planar type CO2 sensor device using NASICON (Na+ conductor, Na3Zr2Si2PO12) thick film was attached with a glass (SiO2:Na2O:B2O 3:Al2O3 = 44:20:31:5, in molar ratio)-coated Na0.6CoO2 reference electrode to increase its feasibility under various conditions in practical. The fabricated device proved satisfactory CO2-sensing properties at steady operating temperature (450 °C) under dry and humid conditions. In the heat-cycle tests between the operating temperature and room temperature under various humid conditions, the planar device once aged, exhibited quick warm-up characteristics and well-reproducible EMF response to CO2 unless humidity was very high (e.g. 80%).

Original languageEnglish
Pages (from-to)364-367
Number of pages4
JournalSensors and Actuators, B: Chemical
Volume108
Issue number1-2 SPEC. ISS.
DOIs
Publication statusPublished - Jul 22 2005

Fingerprint

Potentiometric sensors
counters
operating temperature
Electrodes
heating
electrodes
sensors
Thick films
Temperature
thick films
humidity
Atmospheric humidity
conductors
Glass
heat
cycles
glass
Sensors
Electric potential
room temperature

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry

Cite this

Improvement of warming-up characteristics of potentiometric CO2 sensor by using solid reference counter electrode. / Miyachi, Yuji; Sakai, Go; Shimanoe, Kengo; Yamazoe, Noboru.

In: Sensors and Actuators, B: Chemical, Vol. 108, No. 1-2 SPEC. ISS., 22.07.2005, p. 364-367.

Research output: Contribution to journalArticle

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